The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 12, 2018
Filed:
Aug. 19, 2014
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Kenta Fukuoka, Sakai, JP;
Tomoyuki Ishihara, Sakai, JP;
Sharp Kabushiki Kaisha, Sakai, JP;
Abstract
Provided is an image display device equipped with a see-through display function allowing the background to be seen through. In a liquid crystal display device (), a transparent plate () is attached such that the incidence angle of source light emitted by a backlight source () is Brewster's angle θb, and therefore, the transparent plate () reflects S-wave included in the source light, and allows P-wave included in ambient light incident from the back side to be transmitted therethrough and illuminate a liquid crystal panel (). Thus, when the backlight source () is on, the viewer can see an image displayed on the background, whereas when the backlight source () is off, only the background can be seen.